21449400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{5107}}^1$

素因数の和:5133

約数の個数: 96

約数和(自身を含む): 76007040

約数和(自身を除く): 54557640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 5107, 10214, 15321, 20428, 25535, 30642, 35749, 40856, 51070, 61284, 71498, 76605, 102140, 107247, 122568, 127675, 142996, 153210, 178745, 204280, 214494, 255350, 285992, 306420, 357490, 383025, 428988, 510700, 536235, 612840, 714980, 766050, 857976, 893725, 1021400, 1072470, 1429960, 1532100, 1787450, 2144940, 2681175, 3064200, 3574900, 4289880, 5362350, 7149800, 10724700, 21449400]

約数ペア:

[(1, 21449400), (2, 10724700), (3, 7149800), (4, 5362350), (5, 4289880), (6, 3574900), (7, 3064200), (8, 2681175), (10, 2144940), (12, 1787450), (14, 1532100), (15, 1429960), (20, 1072470), (21, 1021400), (24, 893725), (25, 857976), (28, 766050), (30, 714980), (35, 612840), (40, 536235), (42, 510700), (50, 428988), (56, 383025), (60, 357490), (70, 306420), (75, 285992), (84, 255350), (100, 214494), (105, 204280), (120, 178745), (140, 153210), (150, 142996), (168, 127675), (175, 122568), (200, 107247), (210, 102140), (280, 76605), (300, 71498), (350, 61284), (420, 51070), (525, 40856), (600, 35749), (700, 30642), (840, 25535), (1050, 20428), (1400, 15321), (2100, 10214), (4200, 5107)]